I01.1 – Acute rheumatic endocarditis
ICD-10-CM 2027 diagnosis code · Acute rheumatic fever
ICD-10-CM code
I01.1
- Code
I01.1(claims format:I011)- Description
- Acute rheumatic endocarditis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I00-I02 Acute rheumatic fever
- Parent codes
- I01
Notes for I01.1
Applicable to:
- Any condition in I00 with endocarditis or valvulitis
- Acute rheumatic valvulitis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I01 – Rheumatic fever with heart involvement
Index terms for I01.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Endocarditis, mitral, active or acute
- Endocarditis, rheumatic, active or acute
- Endocarditis, tricuspid, active or acute
- Endocarditis, acute or subacute, rheumatic
- Stenosis, stenotic, mitral, active or acute
- Endocarditis, aortic, rheumatic, active or acute
- Endocarditis, mitral, with, aortic, active or acute
- Endocarditis, pulmonary, rheumatic, active or acute
- Endocarditis, pulmonary, acute or subacute, rheumatic
- Endocarditis, aortic, with, mitral disease, active or acute
- Insufficiency, insufficient, mitral, rheumatic, active or acute
- Endocarditis, aortic, rheumatic, with mitral disease, active or acute
Related codes in I01
Frequently asked questions
What is ICD-10 code I01.1?
I01.1 is the ICD-10-CM code for acute rheumatic endocarditis, in the block I00-I02 (Acute rheumatic fever).
Is I01.1 a billable code?
Yes. I01.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I01.1 belong to?
It belongs to category I01 – Rheumatic fever with heart involvement.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.